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Finding the Fourth Proportional to 164,952,489.30, 247,365,748.35 and 49,898,793.30

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Solution

The fourth proportional to 164,952,489.30, 247,365,748.35 and 49,898,793.30 is: 74,829,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,952,489.30 : 247,365,748.35 = 49,898,793.30 : x
  2. Step 2: Convert to fraction form
    164,952,489.30/247,365,748.35 = 49,898,793.30/x
  3. Step 3: Cross multiply
    164,952,489.30x = 247,365,748.35 × 49,898,793.30
  4. Step 4: Simplify right side
    164,952,489.30x = 12,343,252,346,416,466
  5. Step 5: Solve for x
    x = 12,343,252,346,416,466/164,952,489.30
  6. Step 6: Final answer
    x = 74,829,136.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.